[Gambas-bugtracker] Bug #2109: IDE crash with rename

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2109&from=L21haW4-

Jussi LAHTINEN reported a new bug.

Summary
-------

IDE crash with rename

Type             : Bug
Priority         : Medium
Gambas version   : Master
Product          : Unknown


Description
-----------

Rename a class with illegal name (example 111) or use already existing name. After the warning, IDE crashes.

FMain.Rename.951: #13: Null object
FMain.Rename.951 FMain.tvwProject_Rename.1673 _TreeView.Cancel.1465 _TreeView.Editor_KeyPress.1491 
Release of profile requested but WebEnginePage still not deleted. Expect troubles !


System information
------------------

[System]
Gambas=3.15.90 d68c687b4 (master)
OperatingSystem=Linux
Kernel=5.4.0-66-generic
Architecture=x86_64
Distribution=Linux Mint 20 Ulyana
Desktop=CINNAMON
Font=Noto Sans,9
Scale=7
Theme=qt5ctproxy
Language=en_US.UTF-8
Memory=7961M

[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.6.0
DBus=libdbus-1.so.3.19.11
GDK2=libgdk-x11-2.0.so.0.2400.32
GDK3=libgdk-3.so.0.2404.16
GStreamer=libgstreamer-1.0.so.0.1602.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2404.16
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.97.0.0
QT5=libQt5Core.so.5.12.8
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DESKTOP_SESSION=cinnamon
DISPLAY=:0
GB_GUI=gb.qt5
GB_PROFILE_MAX=1000
GDMSESSION=cinnamon
GDM_LANG=en_US
GIO_LAUNCHED_DESKTOP_FILE=<home>/Desktop/Gambas3.desktop
GIO_LAUNCHED_DESKTOP_FILE_PID=73771
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=1
HOME=<home>
INSIDE_NEMO_PYTHON=
LANG=en_US.UTF-8
LANGUAGE=en_US.UTF-8
LC_ADDRESS=fi_FI.UTF-8
LC_ALL=en_US.UTF-8
LC_IDENTIFICATION=fi_FI.UTF-8
LC_MEASUREMENT=fi_FI.UTF-8
LC_MONETARY=fi_FI.UTF-8
LC_NAME=fi_FI.UTF-8
LC_NUMERIC=fi_FI.UTF-8
LC_PAPER=fi_FI.UTF-8
LC_TELEPHONE=fi_FI.UTF-8
LOGNAME=<user>
PATH=<home>/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
PWD=<home>
QT_ACCESSIBILITY=1
QT_LOGGING_RULES=*.debug=false
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1043,unix/<hostname>:/tmp/.ICE-unix/1043
SHELL=/bin/bash
SHLVL=0
SSH_AGENT_PID=1114
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-cinnamon:/etc/xdg
XDG_CURRENT_DESKTOP=X-Cinnamon
XDG_DATA_DIRS=/usr/share/cinnamon:/usr/share/gnome:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=cinnamon
XDG_SESSION_ID=c1
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7
force_s3tc_enable=true